Wiring Diagram VW PASSAT CC 2014 - Air conditioning system control unit - high-pressure sender - temperature flap control motor potentiometer - fresh air blower relay - air distribution flap control motor
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Automotive Electricians Portal FZCO
Automotive Electricians Portal FZCO
| G65 | High-pressure sender |
| G645 | Potentiometer for air distribution flap control motor |
| J301 | Air conditioning system control unit |
| J13 | Fresh air blower relay |
| SC21 | Fuse 21 on fuse holder C |
| SC37 | Fuse 37 on fuse holder C |
| T3ae | 3-pin connector |
| T6bg | 6-pin connector |
| T6da | 6-pin connector, blue |
| T9a | 9-pin connector |
| T16j | 16-pin connector, black |
| T20b | 20-pin connector, black |
| V154 | Fresh air and air recirculation flap control motor |
| V428 | Air distribution flap control motor |
| 279 | Earth connection 5, in interior wiring harness |
| 397 | Earth connection 32, in main wiring harness |
| 685 | Earth point 1 on front of right longitudinal member |
| 687 | Earth point 1, on centre tunnel |
| B163 | Positive connection 1 (15), in interior wiring harness |
| B616 | Positive connection 12 (30a), in interior wiring harness |
| * | Only models with supplementary coolant heater |
Wiring Diagram VW PASSAT CC 2014 - Air conditioning system control unit - fresh air and air recirculation flap switch - heated rear window button - centre vent temperature sender - footwell vent temperature sender - potentiometer for temperature flap control motor - temperature flap control motor
| E159 | Fresh air and air recirculation flap switch |
| E230 | Heated rear window button |
| G92 | Potentiometer for temperature flap control motor |
| G191 | Centre vent temperature sender |
| G192 | Footwell vent temperature sender |
| G308 | Evaporator temperature sensor |
| G267 | Potentiometer for temperature selection rotary knob |
| J301 | Air conditioning system control unit |
| K114 | Fresh air and air recirculation warning lamp |
| T2ce | 2-pin connector |
| T2fk | 2-pin connector, black |
| T2fl | 2-pin connector, black |
| T6bf | 6-pin connector |
| T16j | 16-pin connector, black |
| T20b | 20-pin connector, black |
| V68 | Temperature flap control motor |
| B595 | Connection 2, in Climatic wiring harness |
| L31 | Connection (5V), in air conditioning system wiring harness |
Wiring Diagram VW PASSAT CC 2014 - Air conditioning system control unit - air conditioner compressor regulating valve
| E30 | Air conditioning system switch |
| E94 | Heated driver seat regulator |
| E95 | Heated front passenger seat regulator |
| G59 | Driver seat temperature sensor |
| J301 | Air conditioning system control unit |
| J774 | Control unit for heated front seats |
| K10 | Heated rear window warning lamp |
| N280 | Air conditioner compressor regulating valve |
| T2ge | 2-pin connector |
| T4a | 4-pin connector, near starter |
| T4bv | 4-pin connector, black, under driver seat |
| T8ac | 8-pin connector, black |
| T10c | 10-pin connector, black, coupling point driver side, under seat |
| T20b | 20-pin connector, black |
| 367 | Earth connection 2, in main wiring harness |
| 371 | Earth connection 6, in main wiring harness |
| 673 | Earth point 3, on front of left longitudinal member |
| B483 | Connection 19, in main wiring harness |
| O16 | Connection 5, in seat heating wiring harness |
| * | Only models with seat heating |
Wiring Diagram VW PASSAT CC 2014 - Air conditioning system control unit - fresh air blower switch - fresh air blower series resistor with overheating fuse - fresh air blower
| E9 | Fresh air blower switch |
| J13 | Fresh air blower relay |
| J301 | Air conditioning system control unit |
| J485 | Auxiliary heater operation relay |
| N24 | Fresh air blower series resistor with overheating fuse |
| SC38 | Fuse 38 on fuse holder C |
| T2fm | 2-pin connector, black |
| T4bp | 4-pin connector, black |
| T5r | 5-pin connector, black |
| T9a | 9-pin connector |
| T10f | 10-pin connector, black, heater/air conditioner |
| T10n | 10-pin connector |
| V2 | Fresh air blower |
| 638 | Earth point, on right A-pillar |
| B594 | Connection 1, in Climatic wiring harness |
| B596 | Connection 3, in Climatic wiring harness |
| * | Only models with no supplementary coolant heater |
| ** | Only models with supplementary coolant heater |
Wiring Diagram VW PASSAT CC 2014 - Air conditioning system control unit - data bus diagnostic interface - self-diagnosis connection
VW PASSAT CC 2014 Overview of control units
Overview of control units | | | | q | 100-pin connector assignment |
| Climatronic control unit -J255- |
| q | Air conditioning system control unit -J301- |
| q | Climatronic control unit -J255- |
| q | Fitting location of heated rear seats control unit -J786- |
| q | Fitting location of control unit for navigation system -J856- |
| q | Connector assignment from November 2010 |
| q | Fitting location up to October 2010 |
| q | Connector assignment up to October 2010 |
| q | B- Connector for turn signal and cruise control system |
| q | C- 20-pin connector -T20d- |
| q | D- 4-pin connector -T4- |
| q | E- Connector for windscreen wipers and multifunction display |
| q | F- Connector for steering angle sender |
| q | G- Connector for airbag/multifunction steering wheel return ring |
| control unit in dash panel insert -J285- |
| q | 32-pin connector -T32c- |
| q | Fitting location up to October 2010 |
| q | Connector assignment up to October 2010 |
| q | A- 11-pin connector -T11- |
| q | B- 12-pin connector -T12i- |
| q | C- 12-pin connector -T12k- |
| q | D- 11-pin connector -T11a- |
| q | E- 16-pin connector -T16g- |
| q | F- 8-pin connector -T8t- |
| q | G- 12-pin connector -T12m- - |
| q | H- 12-pin connector -T12- |
| q | I- 2-pin connector -T2cp- |
| q | J- 6-pin connector -T6ap- |
| q | K- 10-pin connector -T10s- |
| q | L- 2-pin connector -T2cq- |
| Under centre console, front -Arrow- | | | |
| 100-pin connector assignment: |
| B - | 100-pin connector -T100- |
| B - | 100-pin connector -T100a- |
| Convenience system central control unit -J393- | | Below the dash panel, behind the glove compartment -Arrow- | | | |
| A - | Convenience system central control unit -J393- |
| B - | 6-pin connector -T6an- |
| C - | 18-pin connector -T18a- |
| D - | 8-pin connector -T8r- |
| E - | 6-pin connector -T6ao- |
| F - | 18-pin connector -T18b- |
| G - | 18-pin connector -T18c- |
Note:
| 18-pin connector -T18c- Discontinued on models with no entry and start authorisation |
| Air conditioning system control unit -J301- |
| A - | Air conditioning system control unit -J301- |
VW PASSAT CC 2014 Climatronic control unit J255 | Climatronic control unit -J255- |
| A - | Climatronic control unit -J255- |
VW PASSAT CC 2014 | Control unit for cornering light and headlight range control -J745- / headlight range control unit -J431- |
| Behind the glove compartment, left -Arrow A- . |
| |
VW PASSAT CC 2014 Heated rear seats control unit J786Heated rear seats control unit -J786- |
| Under seat on front right -arrow- |
VW PASSAT CC 2014 Control unit for navigation system J856Control unit for navigation system -J856- |
| under seat on front right | | | |
| 1 - | Control unit for navigation system -J856- |
| A - | 10-pin connector -T10y- |
| q | Control unit 1 for information electronics -J794- |
| q | Multimedia system operating unit -E380- |
| E - | 20-pin connector -T20p- |
| q | Digital radio aerial -R183- |
VW PASSAT CC 2014 Seat occupied recognition control unit J706Seat occupied recognition control unit -J706- |
| on front passenger side seat frame -Arrow- . | | | |
| A - | Seat occupied recognition control unit -J706- |
| Aerial selection control unit -J515- |
| under seat on front right -Arrow B- . |
Note:
| The aerial selection control unit -J515- is only installed for Japanese markets. |
| |
VW PASSAT CC 2014 Front passenger door control unit J387Front passenger door control unit -J387- |
| on inside of front passenger door -Arrow- . |
VW PASSAT CC 2014 Driver door control unit J386Driver door control unit -J386- |
| on inside of driver door -Arrow- | Note: | The illustration shows the driver side. The front passenger side is similar. | | | |
| A - | Front passenger door control unit -J387- , driver door control unit -J386- |
VW PASSAT CC 2014 | Mobile telephone operating electronics control unit -J412- / telephone controls control unit -J738- |
| under seat on front right -Arrow A- |
| | | A - | Mobile telephone operating electronics control unit -J412- / telephone controls control unit -J738- |
| Control unit for electromechanical parking brake -J540- |
| on rear of centre tunnel -Arrow- . |
| | | A - | Control unit for electromechanical parking brake -J540- |
| Rear right door control unit -J389- |
| On inside of rear door on front passenger side -arrow- |
| Rear left door control unit -J388- |
| On inside of rear door on driver's side -arrow- |
Note:
| The illustration shows the driver side. The front passenger side is similar. |
| | | A - | Rear right door control unit -J389- , rear left door control unit -J388- |
| Fuel pump control unit -J538- |
| under rear right seat, on fuel delivery unit -Arrow- . |
| | | A - | Fuel pump control unit -J538- |
| Seat and steering column adjustment control unit with memory -J136- |
| under front seat driver's side -arrow- |
| | | A - | Seat and steering column adjustment control unit with memory -J136- |
| B - | 26-pin connector -T26b- |
| C - | 6-pin connector -T6bj- |
| D - | 6-pin connector -T6bq- |
| E - | 6-pin connector -T6bi- |
| F - | 6-pin connector -T6bh- |
| G - | 6-pin connector -T6bp- |
| H - | 4-pin connector -T4br- |
| I - | 2-pin connector -T2- , Not assigned |
| J - | 2-pin connector -T2- , Not assigned |
| K - | 6-pin connector -T6- , Not assigned |
| L - | 6-pin connector -T6- , Not assigned |
| M - | 6-pin connector -T6- , Not assigned |
| N - | 6-pin connector -T6- , Not assigned |
| O - | 16-pin connector -T16- , Not assigned |
VW PASSAT CC 2014 Special purpose vehicle control unit J608Special purpose vehicle control unit -J608- |
| under front seat driver's side -arrow- | | | |
VW PASSAT CC 2014 Heated front seats control unit J774Heated front seats control unit -J774- |
| On driver's seat frame -arrow- | | | |
VW PASSAT CC 2014 Steering column electronics control unit J527Steering column electronics control unit -J527- |
| under steering column, near steering column switch -arrow- | | | |
| A - | Steering column electronics control unit -J527- |
| C - | 20-pin connector -T20d- |
| 1 - | Ignition key withdrawal lock |
| 2 - | Immobilizer reader unit |
| 3 - | Convenience bus CAN, low |
| 4 - | Convenience bus CAN high |
| 5 - | Powertrain CAN screening |
| 9 - | Voltage supply for steering column electronic systems control unit |
| 16 - | Cruise control system, out |
| 18 - | Voltage supply for steering column electronic systems control unit (terminal 30) |
| E - | Connector for wiper and multifunction display: |
| 1 - | Earth for intermittent wiper switch |
| 4 - | Potentiometer for interval stages |
| 5 - | Signal for multifunction display |
| 6 - | Earth for multifunction display and interval |
| G - | Connector for airbag return spring/multifunction steering wheel: |
| 7 - | Earth for coil connector, multifunction steering wheel and horn |
| 8 - | Horn or CCS off (with multifunction steering wheel) |
| 10 - | Voltage supply for multifunction steering wheel (terminal 15) |
| Steering column electronics control unit -J527- | | | |
| from November 2010 -Arrow- | | Connector -A-16-pin connector -T16o- | | Connector -B-4-pin connector -T4ae- | | | |
VW PASSAT CC 2014
Dash panel insert -K- / control unit in dash panel insert -J285- |
| 1 - | Fuel gauge sender (full) |
| 2 - | Fuel gauge sender (empty) |
| 3 - | Fuel level sensor (full), only for all-wheel drive |
| 4 - | Fuel level sensor (empty), only for all-wheel drive |
| 9 - | Speed signal, sliding sunroof control unit output , control unit with display for radio and navigation system |
| 11 - | Oil level and oil temperature sender |
| 15 - | Front left brake pad wear sender |
| 17 - | Washer fluid level warning lamp |
| 18 - | Coolant temperature and coolant shortage warning lamp |
| 19 - | Ambient temperature sensor |
| 20 - | Terminal 31, sensor earth |
| 25 - | Electric park/handbrake warning lamp |
| 26 - | Brake fluid level warning lamp |
| 27 - | Oil pressure warning lamp |
| 28 - | Diagnostic interface for dash panel insert CAN data bus, high |
| 29 - | Diagnostic interface for dash panel insert CAN data bus, low |
| 31 - | Voltage supply, terminal 15 |
| 32 - | Voltage supply, terminal 30 |
VW PASSAT CC 2014 Electronic steering column lock control unit J764Electronic steering column lock control unit -J764- |
| On steering column -arrow- | | | |
VW PASSAT CC 2014 Onboard supply control unit J519Onboard supply control unit -J519- |
| under dash panel on driver's side, below relay carrier. | | | |
| B - | 12-pin connector -T12i- |
| 1 - | Right reversing light bulb |
| 2 - | Heated windscreen relay |
| 4 - | Rear left fog light bulb |
| 5 - | Right brake and tail light bulb |
| 7 - | Front left entry light, front right entry light |
| 9 - | Right tail light bulb (side light) |
| 10 - | Rear right turn signal bulb |
| 11 - | Front interior light |
| D - | 11-pin connector -T11a- |
| 4 - | Left headlight dipped beam bulb |
| 6 - | Left gas discharge (xenon) bulb |
| 7 - | Terminal 15 voltage supply relay |
| 8 - | Headlight washer system relay |
| 10 - | Right side light bulb |
| 11 - | Front left turn signal bulb |
| E - | 16-pin connector -T16g- |
| 1 - | Lighting switch terminal 58 |
| 7 - | Earth (for manual gearbox only), mechatronics for dual clutch gearbox, multifunction switch (for automatic gearbox only) |
| 8 - | Lighting switch terminal 56 |
| 13 - | Light switch (rear fog light) |
| 14 - | Light switch (assistance driving light) |
| 16 - | Light switch (daytime running lights) |
| F - | 8-pin connector -T8t- |
| 1 - | Terminal 50 voltage supply relay |
| 2 - | Terminal 15 voltage supply relay |
| 3 - | Windscreen wiper motor, rain and light sensor (LIN bus) |
| 5 - | Bonnet contact switch |
| 6 - | Reversing light switch |
| G - | 12-pin connector -T12- |
| I - | J - | 6-pin connector -T6ap- |
| 1 - | Fuse, windscreen and rear window washer pump (input) |
| 2 - | Windscreen wiper motor windscreen and rear window washer pump (rear) |
| 4 - | Windscreen wiper motor, windscreen and rear window washer pump (front) |
| 6 - | Treble tone horn, bass tone horn |
| K - | 2-pin connector -T2cq- |
| 1 - | Fuse, terminal 15 interior (input) |
| 2 - | Terminal 15 interior (output) |
| Under dash panel on driver's side, below relay carrier. | | A - | 52-pin connector -T52c- , brown | | B - | 52-pin connector -T52b- , white | | C - | 52-pin connector -T52a- , black | | | |
| Driving school mode relay -J746- | | in driver footwell, behind relay carrier -Arrow- . | | | |
VW PASSAT CC 2014 Park assist steering control unit -J791- / parking aid control unit -J446- |
| Under dash panel on left, behind relay carrier above onboard supply control unit -arrow- | | | |
VW PASSAT CC 2014 Data bus diagnostic interface J533Data bus diagnostic interface -J533- |
| In driver's footwell near pedal cluster -Arrow- | | In centre console under radio unit/navigation system | | | |
| A - | Data bus diagnostic interface -J533- |
| Control unit with display for radio and navigation -J503- |
| 1 - | Control unit with display for radio and navigation -J503- |
| q | Only for American markets |
| E - | 26-pin connector -T26g- |
| G - | 16-pin connector -T16c- |
| H - | 12-pin connector -T12j- |
| I - | 12-pin connector -T12l- |
| -T26g- (E) | Designation | | -T16c- (G) | Designation |
| 1 | Not assigned | | 1 | Amplifier -R12- (sound system)
rear right bass loudspeaker -R17- + |
| 2 | Not assigned | | 2 | Amplifier -R12- (sound system)
front right bass loudspeaker -R23- |
| 3 | Not assigned | | 3 | Amplifier -R12- (sound system)
front left bass loudspeaker -R21- |
| 4 | Not assigned | | 4 | Amplifier -R12- (sound system)
rear left bass loudspeaker -R15- |
| 5 | Not assigned | | 5 | Amplifier -R12- (sound system)
rear right bass loudspeaker -R17- |
| 6 | Telephone bracket -R126- | | 6 | Amplifier -R12- (sound system)
front right bass loudspeaker -R23- |
| 7 | Telephone bracket -R126- | | 7 | Amplifier -R12- (sound system)
front left bass loudspeaker -R21- |
| 8 | Telephone bracket -R126- | | 8 | Amplifier -R12- (sound system)
rear left bass loudspeaker -R15- |
| 9 | Not assigned | | 9 | Data bus diagnostic interface -J533- (CAN bus, high) |
| 10 | TV tuner -R78- | | 10 | Data bus diagnostic interface -J533- (CAN bus, low) |
| 11 | TV tuner -R78- | | 11 | Not assigned |
| 12 | TV tuner -R78- | | 12 | Terminal 31 |
| 13 | TV tuner -R78- | | 13 | Not assigned |
| 14 | Not assigned | | 14 | Not assigned |
| 15 | Not assigned | | 15 | Terminal 30 |
| 16 | Not assigned | | 16 | Terminal 30 |
| 17 | Not assigned | | | |
| 18 | Not assigned | | | |
| 19 | Not assigned | | | |
| 20 | Telephone bracket -R126- | | | |
| 21 | Not assigned | | | |
| 22 | TV tuner -R78- | | | |
| 23 | TV tuner -R78- | | | |
| 24 | TV tuner -R78- | | | |
| 25 | TV tuner -R78- | | | |
| 26 | TV tuner -R78- | | | |
| -T12j- (H) | Designation | | -T12l- (I) | Designation |
| 1 | Connection for external audio sources -R199- (Aux-In) | | 1 | Voice command microphone -R206- (mic in -) |
| 2 | Connection for external audio sources -R199- (Aux-In earth) | | 2 | Not assigned |
| 3 | CD changer -R41- | | 3 | Not assigned |
| 4 | CD changer -R41- (terminal 30) | | 4 | Not assigned |
| 5 | Not assigned | | 5 | Mobile telephone operating electronics control unit -J412- |
| 6 | CD changer -R41- (CD bus radio DATA) | | 6 | Mobile telephone operating electronics control unit -J412- |
| 7 | Interface for external multimedia units -R215- (Aux-in audio) | | 7 | Voice command microphone -R206- (mic in +) |
| 8 | CD changer -R41- (CD-X audio left) | | 8 | Not assigned |
| 9 | CD changer -R41- (CD-X audio right) | | 9 | Not assigned |
| 10 | CD changer -R41- (terminal 15) | | 10 | Not assigned |
| 11 | CD changer -R41- (CD bus) | | 11 | Mobile telephone operating electronics control unit -J412- |
| 12 | CD changer -R41- | | 12 | Mobile telephone operating electronics control unit -J412- |
| Control unit for terminal control and engine start -J942- | Note: | The illustration does not correspond with the selected vehicle, but the fitting location is the same. | | | |
| 1 - | Control unit for terminal control and engine start -J942- |
| A - | 32-pin connector -T32g- |
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